Re: [linux-audio-user] USB audio capture line/mic: A/D quality, how set record levels?

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Subject: Re: [linux-audio-user] USB audio capture line/mic: A/D quality, how set record levels?
From: Tim Beauregard (helycos_AT_lycos.co.uk)
Date: Wed Aug 27 2003 - 22:18:14 EEST

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Mannr_AT_uwaterloo.ca wrote:

[snip]

| Retail units:
| Edirol UA-1A, UA-3D (edirol.com),

Lurking here, I see you didn't get any replies. Maybe I can start the
ball rolling.

I own the UA-1A and am very happy with it. Cheap (£75 when it first
came out), no configuration apart from activating USB audio in the kernel.

I did struggle with the quality of audio produced

http://eca.cx/lau/2003/06/0042.html

But those issues were not related to the UA-1A itself, I merely had to
ensure the source volume wasn't too high. Ecasound is great,
ecasignalview allows you to set this correctly in realtime.

| - What is the "native" capture mode of these units?

16 bit, 44.1kHz. Not adjustable.

| - How can I control record level on these units?

Not possible on the device. You need to be able to do this upstream,
otherwise clipping will be a problem.

| If there are no knobs, can the level be set with software?

No, no mixer access is available.

Sound quality is good enough for me (a consumer).

HTH, Tim
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